From patchwork Thu Aug 29 18:11:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lina Iyer X-Patchwork-Id: 1155494 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=codeaurora.org header.i=@codeaurora.org header.b="W+9l33i7"; dkim=pass (1024-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="I/Lv8e+5"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46KBKc2H5bz9s7T for ; Fri, 30 Aug 2019 04:41:56 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728062AbfH2Slw (ORCPT ); Thu, 29 Aug 2019 14:41:52 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:49204 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727867AbfH2Slw (ORCPT ); Thu, 29 Aug 2019 14:41:52 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 8C77766593; Thu, 29 Aug 2019 18:12:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1567104110; bh=idSCDDdET3/7wJntdfWeAGtzPidjabyISQCbpIXoF3g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=W+9l33i7Xf4dlyQPL+tosLBLO8T00kWWKz3lZQO6W15ivzQ7WrEZRL8+QbrMYPO3V HaZsO0LnC8OFY/Xht8sjDsqUpV065667mXkNHRXsWgwaCdyBTrKBDr8SgKKNb1FluV Kh2BlQaerGXhpVN4HPWBJ+HBEH/9G/QGW9n6VULU= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.7 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_INVALID,DKIM_SIGNED,SPF_NONE autolearn=no autolearn_force=no version=3.4.0 Received: from codeaurora.org (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: ilina@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id CD8EB688BF; Thu, 29 Aug 2019 18:12:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1567102338; bh=idSCDDdET3/7wJntdfWeAGtzPidjabyISQCbpIXoF3g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=I/Lv8e+5c+rWTsSEDw0Bdjk7jvYOk7c1fmLdoN0csf5ltHQlOWjNmK7Yt8cTRquSA TLdQdG1hZ67HLjAgM/ZFnhxlmx6mHMZoLUuyba8vTcGb5+dMw3WV17HXHnTo8Lyv7C gxvv0wyRY3WYmnZrCAmpDTj8m/huaiFtSLLX/Bhk= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org CD8EB688BF Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=ilina@codeaurora.org From: Lina Iyer To: swboyd@chromium.org, evgreen@chromium.org, marc.zyngier@arm.com, linus.walleij@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, bjorn.andersson@linaro.org, mkshah@codeaurora.org, linux-gpio@vger.kernel.org, rnayak@codeaurora.org, Lina Iyer , devicetree@vger.kernel.org Subject: [PATCH RFC 04/14] of: irq: document properties for wakeup interrupt parent Date: Thu, 29 Aug 2019 12:11:53 -0600 Message-Id: <20190829181203.2660-5-ilina@codeaurora.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190829181203.2660-1-ilina@codeaurora.org> References: <20190829181203.2660-1-ilina@codeaurora.org> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Some interrupt controllers in a SoC, are always powered on and have a select interrupts routed to them, so that they can wakeup the SoC from suspend. Add wakeup-parent DT property to refer to these interrupt controllers. Cc: devicetree@vger.kernel.org Signed-off-by: Lina Iyer Reviewed-by: Rob Herring --- .../bindings/interrupt-controller/interrupts.txt | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt index 8a3c40829899..c10e31050dd2 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt @@ -108,3 +108,16 @@ commonly used: sensitivity = <7>; }; }; + +3) Interrupt wakeup parent +-------------------------- + +Some interrupt controllers in a SoC, are always powered on and have a select +interrupts routed to them, so that they can wakeup the SoC from suspend. These +interrupt controllers do not fall into the category of a parent interrupt +controller and can be specified by the "wakeup-parent" property and contain a +single phandle referring to the wakeup capable interrupt controller. + + Example: + wakeup-parent = <&pdc_intc>; + From patchwork Thu Aug 29 18:11:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lina Iyer X-Patchwork-Id: 1155501 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=codeaurora.org header.i=@codeaurora.org header.b="O9hf/MTl"; dkim=pass (1024-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="o9wmELH7"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46KBS23n0Cz9sNC for ; Fri, 30 Aug 2019 04:47:30 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727867AbfH2SrZ (ORCPT ); Thu, 29 Aug 2019 14:47:25 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:35324 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726518AbfH2SrZ (ORCPT ); Thu, 29 Aug 2019 14:47:25 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 662F668B12; Thu, 29 Aug 2019 18:12:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1567104439; bh=UrH1sAFAb1z9oIzC3C7zIhB+/ZJIJDhRvFYRG0P+AAo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O9hf/MTlKD3LwL1oqjIJYG+EVIhZ1YfMeKrtCohMSMHXbRWmomBBAcW9HCwbHmph3 8nJ9TYpmiPxGzZfhynFzA2CI98v1X9e4JdJsVJ0VeRJmkNuhR7JUuKfCnH5gUJPTpO 7deBcmHtmPJXW+buKhdNsTVubYY/BWur35FvodUw= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.7 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_INVALID,DKIM_SIGNED,SPF_NONE autolearn=no autolearn_force=no version=3.4.0 Received: from codeaurora.org (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: ilina@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 93B1568891; Thu, 29 Aug 2019 18:12:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1567102340; bh=UrH1sAFAb1z9oIzC3C7zIhB+/ZJIJDhRvFYRG0P+AAo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o9wmELH7qzTvMQkbu04AsjCoy5NjTGqsFtQ1lSjvKSxK7QAEI1J3ajb8cbjIcbOz3 o36Qrl0sJDIobSaS6OqEO7wsvr2Gs+T+OzJl60TGlXIOlTC2Q0+iT2v3PpR5EQ6cRk K6ryPuX+WfYgPdrgZxUrwGG/sI5//AOoDQoXLG6E= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 93B1568891 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=ilina@codeaurora.org From: Lina Iyer To: swboyd@chromium.org, evgreen@chromium.org, marc.zyngier@arm.com, linus.walleij@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, bjorn.andersson@linaro.org, mkshah@codeaurora.org, linux-gpio@vger.kernel.org, rnayak@codeaurora.org, Lina Iyer , devicetree@vger.kernel.org Subject: [PATCH RFC 05/14] dt-bindings/interrupt-controller: pdc: add SPI config register Date: Thu, 29 Aug 2019 12:11:54 -0600 Message-Id: <20190829181203.2660-6-ilina@codeaurora.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190829181203.2660-1-ilina@codeaurora.org> References: <20190829181203.2660-1-ilina@codeaurora.org> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org In addition to configuring the PDC, additional registers that interface the GIC have to be configured to match the GPIO type. The registers on some QCOM SoCs are access restricted, while on other SoCs are not. They SoCs with access restriction to these SPI registers need to be written from the firmware using the SCM interface. Add a flag to indicate if the register is to be written using SCM interface. Cc: devicetree@vger.kernel.org Signed-off-by: Lina Iyer --- .../bindings/interrupt-controller/qcom,pdc.txt | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.txt b/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.txt index 8e0797cb1487..852fcba98ea6 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.txt @@ -50,15 +50,22 @@ Properties: The second element is the GIC hwirq number for the PDC port. The third element is the number of interrupts in sequence. +- qcom,scm-spi-cfg: + Usage: optional + Value type: + Definition: Specifies if the SPI configuration registers have to be + written from the firmware. + Example: pdc: interrupt-controller@b220000 { compatible = "qcom,sdm845-pdc"; - reg = <0xb220000 0x30000>; + reg = <0xb220000 0x30000>, <0x179900f0 0x60>; qcom,pdc-ranges = <0 512 94>, <94 641 15>, <115 662 7>; #interrupt-cells = <2>; interrupt-parent = <&intc>; interrupt-controller; + qcom,scm-spi-cfg; }; DT binding of a device that wants to use the GIC SPI 514 as a wakeup